Biz Stone is selling his two-bedroom home in the Berkeley Hills. The Twitter co-founder didn't say why "it's time to move;" maybe to live closer to Twitter HQ in San Francisco, or maybe he's just outgrown this artist's hovel.

Just look at it: The two-bedroom cottage lists at less than $600,000, making it practically a shack by the standards of the Bay Area tech elite, who can easily pay seven figures for a basic, single-family home in their favored neighborhoods. Sure, it was designed by modernist architect William Wurster, but where is a tech mogul going to park his helicopter?

But now that Stone has empowered the world to write beautiful poetry, 140 characters at a time, it's time to move on. Aspiring artists/blog tool makers now have their chance to snatch up Stone's tidy home base: